Which of the following statement is NOT true about the propertiesof electromagnetic waves?(I) These waves do not require any material medium for theirpropagation(ii) Both electric and magnetic field vectors attain the maxima andminima at the same time(iii) The energy in electromagnetic wave is divided equally betweenelectric and magnetic fields(iv) Both electric and magnetic field vectors are parallel to each other

Which of the following statements about electromagnetic radiation is true?It consists of perpendicularly oscillating electric and magnetic fields, and the direction of propagation is perpendicular to both.The oscillating electric and magnetic fields are completely out of phase with one another.It consists of oscillating electric and magnetic fields that are parallel to one another and perpendicular to the direction of propagation.It always travels at 3 ×× 10 88 m/sm/s .

Given below are two statements :Statement I : Electromagnetic waves are not deflected by electric and magnetic field.Statement II : The amplitude of electric field and the magnetic field in electromagnetic waves are related to each other as E0=μ0ε0−−√B0.In the light of the above statements, choose the correct answer from the options given below:Statement I is true but statement II is falseBoth Statement I and Statement II are trueStatement I is false but statement II is trueBoth Statement I and Statement II are false

Which of these statements is/are not valid?      I. X-rays are less energetic than gamma rays.      II. Red light has a longer wavelength than green light.      III. Magnetic wave vector, B always propagates parallel to electric wave, E.      IV. Violet light has less frequency than the red light.*1 pointI, II & III onlyII & III onlyIII & IV onlyAll of the above

.Energy is not carried by*1 point(a) Longitudinal progressive waves(b) Electromagnetic waves(c) Transverse progressive waves(d) Stationary wave

Electromagnetic Waves